package com.zhxt.framework.security.filter;

import java.io.IOException;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.web.authentication.WebAuthenticationDetailsSource;
import org.springframework.stereotype.Component;
import org.springframework.web.filter.OncePerRequestFilter;
import com.zhxt.common.core.domain.model.LoginUser;
import com.zhxt.common.utils.SecurityUtils;
import com.zhxt.common.utils.StringUtils;
import com.zhxt.framework.web.service.TokenService;

/**
 * token过滤器 验证token有效性
 *
 * @author zhxt
 */
@Component
@Slf4j
public class JwtAuthenticationTokenFilter extends OncePerRequestFilter
{
    @Autowired
    private TokenService tokenService;

    @Override
    protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain chain)
            throws ServletException, IOException
    {
        LoginUser loginUser = tokenService.getLoginUser(request);
        log.info("获取loginUser"+loginUser);
        Authentication authentication = SecurityUtils.getAuthentication();
        log.info("获取认证信息"+authentication);
        if (StringUtils.isNotNull(loginUser) && StringUtils.isNull(SecurityUtils.getAuthentication()))
        {
            log.info("if条件成立,开始走验证token逻辑");
            tokenService.verifyToken(loginUser);
            UsernamePasswordAuthenticationToken authenticationToken = new UsernamePasswordAuthenticationToken(loginUser, null, loginUser.getAuthorities());
            authenticationToken.setDetails(new WebAuthenticationDetailsSource().buildDetails(request));
            SecurityContextHolder.getContext().setAuthentication(authenticationToken);
            log.info("setAuthentication结束");
        }
        log.info("开始执行chain.doFilter");
        chain.doFilter(request, response);
        log.info("chain.doFilter方法结束:"+request+response);
    }
}
